BpfUtils.h - add back SKIP_IF_BPF_NOT_SUPPORTED macro

Needs to be used by dns mainline module tests on R devices (Pixel 2).

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I2974a5368f4a9d744e30be9148aefac117d09acb
diff --git a/libbpf_android/include/bpf/BpfUtils.h b/libbpf_android/include/bpf/BpfUtils.h
index 9671b8a..8fd2a4a 100644
--- a/libbpf_android/include/bpf/BpfUtils.h
+++ b/libbpf_android/include/bpf/BpfUtils.h
@@ -45,6 +45,22 @@
     return kernelVersion() >= KVER(major, minor, sub);
 }
 
+#define SKIP_IF_BPF_SUPPORTED                                                    \
+    do {                                                                         \
+        if (android::bpf::isAtLeastKernelVersion(4, 9, 0)) {                     \
+            GTEST_LOG_(INFO) << "This test is skipped since bpf is supported\n"; \
+            return;                                                              \
+        }                                                                        \
+    } while (0)
+
+#define SKIP_IF_BPF_NOT_SUPPORTED                                                    \
+    do {                                                                             \
+        if (!android::bpf::isAtLeastKernelVersion(4, 9, 0)) {                        \
+            GTEST_LOG_(INFO) << "This test is skipped since bpf is not supported\n"; \
+            return;                                                                  \
+        }                                                                            \
+    } while (0)
+
 #define SKIP_IF_EXTENDED_BPF_NOT_SUPPORTED                                        \
     do {                                                                          \
         if (!android::bpf::isAtLeastKernelVersion(4, 14, 0)) {                    \